An independent tank type A must meet the deep tank standard of the American Bureau of Shipping published in “Rules for Building and Classing Steel Vessels”, 1981, and must:

(a) Withstand the internal pressure determined under §154.407;

(b) Withstand loads from tank supports calculated under §§154.470 and 154.471; and

(c) Have a corrosion allowance that meets §154.412.

[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 77-069, 52 FR 31630, Aug. 21, 1987]